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// license:BSD-3-Clause
// copyright-holders:Nathan Woods, Miodrag Milanovic
/*********************************************************************
cassette.h
Interface to the cassette image abstraction code
*********************************************************************/
#ifndef MAME_IMAGEDEV_CASSETTE_H
#define MAME_IMAGEDEV_CASSETTE_H
#pragma once
#include "formats/cassimg.h"
enum cassette_state
{
// this part of the state is controlled by the UI
CASSETTE_STOPPED = 0,
CASSETTE_PLAY = 1,
CASSETTE_RECORD = 2,
// this part of the state is controlled by drivers
CASSETTE_MOTOR_ENABLED = 0,
CASSETTE_MOTOR_DISABLED = 4,
CASSETTE_SPEAKER_ENABLED = 0,
CASSETTE_SPEAKER_MUTED = 8,
// masks
CASSETTE_MASK_UISTATE = 3,
CASSETTE_MASK_MOTOR = 4,
CASSETTE_MASK_SPEAKER = 8,
CASSETTE_MASK_DRVSTATE = 12
};
DECLARE_ENUM_BITWISE_OPERATORS(cassette_state)
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
// ======================> cassette_image_device
class cassette_image_device : public device_t,
public device_image_interface,
public device_sound_interface
{
public:
// construction/destruction
cassette_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
virtual ~cassette_image_device();
void set_formats(const cassette_image::Format* const *formats) { m_formats = formats; }
void set_create_opts(const cassette_image::Options *create_opts) { m_create_opts = create_opts; }
void set_default_state(cassette_state default_state) { m_default_state = default_state; }
void set_interface(const char *interface) { m_interface = interface; }
// device_image_interface implementation
virtual std::pair<std::error_condition, std::string> call_load() override;
virtual std::pair<std::error_condition, std::string> call_create(int format_type, util::option_resolution *format_options) override;
virtual void call_unload() override;
virtual std::string call_display() override;
virtual bool is_readable() const noexcept override { return true; }
virtual bool is_writeable() const noexcept override { return true; }
virtual bool is_creatable() const noexcept override { return true; }
virtual bool is_reset_on_load() const noexcept override { return false; }
virtual bool support_command_line_image_creation() const noexcept override { return true; }
virtual const char *image_interface() const noexcept override { return m_interface; }
virtual const char *file_extensions() const noexcept override { return m_extension_list; }
virtual const char *image_type_name() const noexcept override { return "cassette"; }
virtual const char *image_brief_type_name() const noexcept override { return "cass"; }
double input();
void output(double value);
// specific implementation
cassette_state get_state() { return m_state; }
void set_state(cassette_state state) { change_state(state, cassette_state(~0)); }
void change_state(cassette_state state, cassette_state mask);
// state getters/setters
bool is_stopped() { return (m_state & CASSETTE_MASK_UISTATE) == CASSETTE_STOPPED; }
bool is_playing() { return (m_state & CASSETTE_MASK_UISTATE) == CASSETTE_PLAY; }
bool is_recording() { return (m_state & CASSETTE_MASK_UISTATE) == CASSETTE_RECORD; }
void set_motor(bool state) { change_state(state ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); } // aka remote control
bool motor_on() { return (m_state & CASSETTE_MASK_MOTOR) == CASSETTE_MOTOR_ENABLED; }
void set_speaker(bool state) { change_state(state ? CASSETTE_SPEAKER_ENABLED : CASSETTE_SPEAKER_MUTED, CASSETTE_MASK_SPEAKER); }
bool speaker_on() { return (m_state & CASSETTE_MASK_SPEAKER) == CASSETTE_SPEAKER_ENABLED; }
cassette_image *get_image() { return m_cassette.get(); }
double get_position();
double get_length();
void set_speed(double speed);
void set_channel(int channel);
void go_forward();
void go_reverse();
void seek(double time, int origin);
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream) override;
device_sound_interface& set_stereo() { m_stereo = true; return *this; }
protected:
// device_t implementation
virtual void device_config_complete() override;
virtual void device_start() override ATTR_COLD;
virtual bool use_software_list_file_extension_for_filetype() const noexcept override { return true; }
// device_image_interface implementation
virtual const software_list_loader &get_software_list_loader() const override;
void update();
private:
cassette_image::ptr m_cassette;
cassette_state m_state;
double m_position;
double m_position_time;
int32_t m_value;
int m_channel;
double m_speed; // speed multiplier for tape speeds other than standard 1.875ips (used in adam driver)
int m_direction; // direction select
char m_extension_list[256];
const cassette_image::Format* const *m_formats;
const cassette_image::Options *m_create_opts;
cassette_state m_default_state;
const char * m_interface;
std::error_condition internal_load(bool is_create);
bool has_any_extension(std::string_view candidate_extensions) const;
bool m_stereo;
std::vector<s16> m_samples;
};
// device type definition
DECLARE_DEVICE_TYPE(CASSETTE, cassette_image_device)
// device iterator
typedef device_type_enumerator<cassette_image_device> cassette_device_enumerator;
#endif // MAME_IMAGEDEV_CASSETTE_H
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